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联合国叙词表
Vocabularies
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Sidebar listing: list and traverse vocabulary contents by a criterion
Alphabetical
Hierarchy
Groups
Preferred term
洞穴
Broader concept
地形
地形和生态系统
Related concepts
喀斯特
地下空间
In other languages
Arabic
الكهوف
English
CAVES
French
CAVERNES
Russian
Пещеры
Spanish
CUEVAS
URI
http://metadata.un.org/thesaurus/1000864
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